Suitcase



FIG. 1 is a front elevational view of a suitcase showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view the opposite side is a mirror image thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a suitcase, as shown and described. 